211561485

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{7207}}^1$

素因数の和:7337

約数の個数: 32

約数和(自身を含む): 359823360

約数和(自身を除く): 148261875

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 285, 309, 515, 1545, 1957, 5871, 7207, 9785, 21621, 29355, 36035, 108105, 136933, 410799, 684665, 742321, 2053995, 2226963, 3711605, 11134815, 14104099, 42312297, 70520495, 211561485]

約数ペア:

[(1, 211561485), (3, 70520495), (5, 42312297), (15, 14104099), (19, 11134815), (57, 3711605), (95, 2226963), (103, 2053995), (285, 742321), (309, 684665), (515, 410799), (1545, 136933), (1957, 108105), (5871, 36035), (7207, 29355), (9785, 21621)]